Modeling Of Spray Combustion In Direct Injection Diesel Engine

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Modeling of Spray Combustion in Direct Injection Diesel Engine

Author : Harmohindar Singh
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Modeling of Spray Combustion in Direct Injection Diesel Engine by : Harmohindar Singh

Download or read book Modeling of Spray Combustion in Direct Injection Diesel Engine written by Harmohindar Singh and published by . This book was released on 1988 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: A mathematical model has been developed to predict the penetration of a transient fuel spray, the temporal and spatial distribution of air fuel mixture before the end of ignition delay and the subsequent pressure rise during combustion in a Direct Injection Diesel Engine with and without swirl. The model accounts for the non-isothermal and non-isobaric character of processes during fuel injection resulting from continuous motion of the piston. The effects of various engine operating variables on spray have been studied and graphically presented. The calculated spray penetration with and without crossflow of air has been compared with the available experimental data of other researchers and good agreement between the two is noticed. The model can predict the rate of combustible mixture formation, the rate of heat release and cylinder pressure as a function of time in direct injection (DI) diesel engine. A single cylinder D.I. research diesel engine was operated with N-hexadecane as the engine fuel to validate the mathematical model. However, a leaking head gasket rendered the data unusable, so comparisons between modeled and measured cylinder pressure rise data are not included in this report.

Modeling Engine Spray and Combustion Processes

Author : Gunnar Stiesch
Publisher : Springer Science & Business Media
ISBN 13 : 3662087901
Total Pages : 293 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Modeling Engine Spray and Combustion Processes by : Gunnar Stiesch

Download or read book Modeling Engine Spray and Combustion Processes written by Gunnar Stiesch and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The utilization of mathematical models to numerically describe the performance of internal combustion engines is of great significance in the development of new and improved engines. Today, such simulation models can already be viewed as standard tools, and their importance is likely to increase further as available com puter power is expected to increase and the predictive quality of the models is constantly enhanced. This book describes and discusses the most widely used mathematical models for in-cylinder spray and combustion processes, which are the most important subprocesses affecting engine fuel consumption and pollutant emissions. The relevant thermodynamic, fluid dynamic and chemical principles are summarized, and then the application of these principles to the in-cylinder processes is ex plained. Different modeling approaches for the each subprocesses are compared and discussed with respect to the governing model assumptions and simplifica tions. Conclusions are drawn as to which model approach is appropriate for a specific type of problem in the development process of an engine. Hence, this book may serve both as a graduate level textbook for combustion engineering stu dents and as a reference for professionals employed in the field of combustion en gine modeling. The research necessary for this book was carried out during my employment as a postdoctoral scientist at the Institute of Technical Combustion (ITV) at the Uni versity of Hannover, Germany and at the Engine Research Center (ERC) at the University of Wisconsin-Madison, USA.

Modelling Diesel Combustion

Author : P. A. Lakshminarayanan
Publisher : Springer Science & Business Media
ISBN 13 : 904813885X
Total Pages : 313 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Modelling Diesel Combustion by : P. A. Lakshminarayanan

Download or read book Modelling Diesel Combustion written by P. A. Lakshminarayanan and published by Springer Science & Business Media. This book was released on 2010-03-03 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phenomenology of Diesel Combustion and Modeling Diesel is the most efficient combustion engine today and it plays an important role in transport of goods and passengers on land and on high seas. The emissions must be controlled as stipulated by the society without sacrificing the legendary fuel economy of the diesel engines. These important drivers caused innovations in diesel engineering like re-entrant combustion chambers in the piston, lower swirl support and high pressure injection, in turn reducing the ignition delay and hence the nitric oxides. The limits on emissions are being continually reduced. The- fore, the required accuracy of the models to predict the emissions and efficiency of the engines is high. The phenomenological combustion models based on physical and chemical description of the processes in the engine are practical to describe diesel engine combustion and to carry out parametric studies. This is because the injection process, which can be relatively well predicted, has the dominant effect on mixture formation and subsequent course of combustion. The need for improving these models by incorporating new developments in engine designs is explained in Chapter 2. With “model based control programs” used in the Electronic Control Units of the engines, phenomenological models are assuming more importance now because the detailed CFD based models are too slow to be handled by the Electronic Control Units. Experimental work is necessary to develop the basic understanding of the pr- esses.

Engine Modeling and Simulation

Author : Avinash Kumar Agarwal
Publisher : Springer Nature
ISBN 13 : 9811686181
Total Pages : 368 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Engine Modeling and Simulation by : Avinash Kumar Agarwal

Download or read book Engine Modeling and Simulation written by Avinash Kumar Agarwal and published by Springer Nature. This book was released on 2021-12-16 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the simulation and modeling of internal combustion engines. The contents include various aspects of diesel and gasoline engine modeling and simulation such as spray, combustion, ignition, in-cylinder phenomena, emissions, exhaust heat recovery. It also explored engine models and analysis of cylinder bore piston stresses and temperature effects. This book includes recent literature and focuses on current modeling and simulation trends for internal combustion engines. Readers will gain knowledge about engine process simulation and modeling, helpful for the development of efficient and emission-free engines. A few chapters highlight the review of state-of-the-art models for spray, combustion, and emissions, focusing on the theory, models, and their applications from an engine point of view. This volume would be of interest to professionals, post-graduate students involved in alternative fuels, IC engines, engine modeling and simulation, and environmental research.

Modeling Engine Spray and Combustion Processes

Author : Gunnar Stiesch
Publisher : Springer Science & Business Media
ISBN 13 : 9783540006824
Total Pages : 314 pages
Book Rating : 4.0/5 (68 download)

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Book Synopsis Modeling Engine Spray and Combustion Processes by : Gunnar Stiesch

Download or read book Modeling Engine Spray and Combustion Processes written by Gunnar Stiesch and published by Springer Science & Business Media. This book was released on 2003-04-10 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: The utilization of mathematical models to numerically describe the performance of internal combustion engines is of great significance in the development of new and improved engines. Today, such simulation models can already be viewed as standard tools, and their importance is likely to increase further as available com puter power is expected to increase and the predictive quality of the models is constantly enhanced. This book describes and discusses the most widely used mathematical models for in-cylinder spray and combustion processes, which are the most important subprocesses affecting engine fuel consumption and pollutant emissions. The relevant thermodynamic, fluid dynamic and chemical principles are summarized, and then the application of these principles to the in-cylinder processes is ex plained. Different modeling approaches for the each subprocesses are compared and discussed with respect to the governing model assumptions and simplifica tions. Conclusions are drawn as to which model approach is appropriate for a specific type of problem in the development process of an engine. Hence, this book may serve both as a graduate level textbook for combustion engineering stu dents and as a reference for professionals employed in the field of combustion en gine modeling. The research necessary for this book was carried out during my employment as a postdoctoral scientist at the Institute of Technical Combustion (ITV) at the Uni versity of Hannover, Germany and at the Engine Research Center (ERC) at the University of Wisconsin-Madison, USA.

Modeling of Biodiesel Spray and Combustion of Biodiesel Fuels and Biodiesel Fuel Blends in a Direct Injection Diesel Engine

Author : Valerie L. Stringer
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (43 download)

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Book Synopsis Modeling of Biodiesel Spray and Combustion of Biodiesel Fuels and Biodiesel Fuel Blends in a Direct Injection Diesel Engine by : Valerie L. Stringer

Download or read book Modeling of Biodiesel Spray and Combustion of Biodiesel Fuels and Biodiesel Fuel Blends in a Direct Injection Diesel Engine written by Valerie L. Stringer and published by . This book was released on 2007 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Multi-zone Direct-injection Diesel Spray Combustion Model for Cycle Simulation Studies of Large-bore Engine Performance and Emissions

Download A Multi-zone Direct-injection Diesel Spray Combustion Model for Cycle Simulation Studies of Large-bore Engine Performance and Emissions PDF Online Free

Author : Dohoy Jung
Publisher :
ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Multi-zone Direct-injection Diesel Spray Combustion Model for Cycle Simulation Studies of Large-bore Engine Performance and Emissions by : Dohoy Jung

Download or read book A Multi-zone Direct-injection Diesel Spray Combustion Model for Cycle Simulation Studies of Large-bore Engine Performance and Emissions written by Dohoy Jung and published by . This book was released on 2001 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fuel Spray Modeling for Compression Ignition Engine Configurations

Author : Krishna Latha Ankem
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Fuel Spray Modeling for Compression Ignition Engine Configurations by : Krishna Latha Ankem

Download or read book Fuel Spray Modeling for Compression Ignition Engine Configurations written by Krishna Latha Ankem and published by . This book was released on 2005 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: The combination of superior fuel economy and durability has made compression ignition direct injection diesel engines popular worldwide. However, these engines can emit large amounts of ozone-forming pollutants and particulates and so are being subjected to increasingly stringent regulations that require continual improvements in the combustion process. Further, improved engine power density is necessary at high load conditions, before the CIDI engine can be considered a contender in the next generation automotive engine technology. Understanding the physics and chemistry involved in diesel combustion, with its transient effects and the inhomogeneity of spray combustion is quite challenging. Great insight into the physics of the problem can be obtained when an in-cylinder computational analysis is used in conjunction with either an experimental program or through published experimental data. The main area to be investigated to obtain good combustion begins by defining the fuel injection process and the mean diameter of the fuel particle, injection pressure, drag coefficient, rate shaping, etc., correctly. This work presents a methodology to perform the task set out in the previous paragraph and uses experimental data obtained from available literature to construct a numerical model. A modified version of a multidimensional computer code called KIVA3V was used for the computations, with improved sub-models for mean droplet diameter, injection pressure and drop distortion and drag. The results achieved show good agreement with the published experimental data. It has been of special importance to model the spray distribution accurately, as the combustion process and the resulting pollutant emission formation is intimately tied to the in-cylinder fuel distribution. The present scheme has achieved excellent results in these aspects and will make an important contribution to the numerical simulation of the combustion process and pollutant emission formation in compression ignition direct injection engines.

Modeling the Effects of Fuel Injection Characteristics on Diesel Combustion and Emissions

Author : Mark Andrew Patterson
Publisher :
ISBN 13 :
Total Pages : 474 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Modeling the Effects of Fuel Injection Characteristics on Diesel Combustion and Emissions by : Mark Andrew Patterson

Download or read book Modeling the Effects of Fuel Injection Characteristics on Diesel Combustion and Emissions written by Mark Andrew Patterson and published by . This book was released on 1997 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mixture Formation in Internal Combustion Engines

Author : Carsten Baumgarten
Publisher : Springer Science & Business Media
ISBN 13 : 3540308369
Total Pages : 312 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Mixture Formation in Internal Combustion Engines by : Carsten Baumgarten

Download or read book Mixture Formation in Internal Combustion Engines written by Carsten Baumgarten and published by Springer Science & Business Media. This book was released on 2006-09-28 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic control of mixture formation with modern high-pressure injection systems enables us to achieve considerable improvements of the combustion pr- ess in terms of reduced fuel consumption and engine-out raw emissions. However, because of the growing number of free parameters due to more flexible injection systems, variable valve trains, the application of different combustion concepts within different regions of the engine map, etc., the prediction of spray and m- ture formation becomes increasingly complex. For this reason, the optimization of the in-cylinder processes using 3D computational fluid dynamics (CFD) becomes increasingly important. In these CFD codes, the detailed modeling of spray and mixture formation is a prerequisite for the correct calculation of the subsequent processes like ignition, combustion and formation of emissions. Although such simulation tools can be viewed as standard tools today, the predictive quality of the sub-models is c- stantly enhanced by a more accurate and detailed modeling of the relevant pr- esses, and by the inclusion of new important mechanisms and effects that come along with the development of new injection systems and have not been cons- ered so far. In this book the most widely used mathematical models for the simulation of spray and mixture formation in 3D CFD calculations are described and discussed. In order to give the reader an introduction into the complex processes, the book starts with a description of the fundamental mechanisms and categories of fuel - jection, spray break-up, and mixture formation in internal combustion engines.

Combustion of Liquid Fuel Sprays

Author : Alan Williams
Publisher : Butterworth-Heinemann
ISBN 13 : 1483101584
Total Pages : 300 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Combustion of Liquid Fuel Sprays by : Alan Williams

Download or read book Combustion of Liquid Fuel Sprays written by Alan Williams and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion of Liquid Fuel Sprays outlines the fundamentals of the combustion of sprays in a unified way which may be applied to any technological application. The book begins with a discussion of the general nature of spray combustion, the sources of liquid fuels used in spray combustion, biomass sources of liquid fuels, and the nature and properties of fuel oils. Subsequent chapters focus on the properties of sprays, the atomization of liquid fuels, and the theoretical modeling of the behavior of a spray flame in a combustion chamber. The nature and control of pollutants from spray combustion, the formation of deposits in oil-fired systems, and the combustion of sprays in furnaces and engines are elucidated as well. The text is intended for students undertaking courses or research in fuel, combustion, and energy studies.

Modeling Engine Spray and Combustion Processes

Author : Gunnar Stiesch
Publisher : Springer
ISBN 13 : 9783662087916
Total Pages : 282 pages
Book Rating : 4.0/5 (879 download)

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Book Synopsis Modeling Engine Spray and Combustion Processes by : Gunnar Stiesch

Download or read book Modeling Engine Spray and Combustion Processes written by Gunnar Stiesch and published by Springer. This book was released on 2014-03-12 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: The utilization of mathematical models to numerically describe the performance of internal combustion engines is of great significance in the development of new and improved engines. Today, such simulation models can already be viewed as standard tools, and their importance is likely to increase further as available com puter power is expected to increase and the predictive quality of the models is constantly enhanced. This book describes and discusses the most widely used mathematical models for in-cylinder spray and combustion processes, which are the most important subprocesses affecting engine fuel consumption and pollutant emissions. The relevant thermodynamic, fluid dynamic and chemical principles are summarized, and then the application of these principles to the in-cylinder processes is ex plained. Different modeling approaches for the each subprocesses are compared and discussed with respect to the governing model assumptions and simplifica tions. Conclusions are drawn as to which model approach is appropriate for a specific type of problem in the development process of an engine. Hence, this book may serve both as a graduate level textbook for combustion engineering stu dents and as a reference for professionals employed in the field of combustion en gine modeling. The research necessary for this book was carried out during my employment as a postdoctoral scientist at the Institute of Technical Combustion (ITV) at the Uni versity of Hannover, Germany and at the Engine Research Center (ERC) at the University of Wisconsin-Madison, USA.

Liquid Sprays and Flow Studies in the Direct-Injection Diesel Engine Under Motored Conditions

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722617530
Total Pages : 80 pages
Book Rating : 4.6/5 (175 download)

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Book Synopsis Liquid Sprays and Flow Studies in the Direct-Injection Diesel Engine Under Motored Conditions by : National Aeronautics and Space Administration (NASA)

Download or read book Liquid Sprays and Flow Studies in the Direct-Injection Diesel Engine Under Motored Conditions written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-08 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: A two dimensional, implicit finite difference method of the control volume variety, a two equation model of turbulence, and a discrete droplet model were used to study the flow field, turbulence levels, fuel penetration, vaporization, and mixing in diesel engine environments. The model was also used to study the effects of engine speed, injection angle, spray cone angle, droplet distribution, and intake swirl angle on the flow field, spray penetration and vaporization, and turbulence in motored two-stroke diesel engines. It is shown that there are optimum conditions for injection, which depend on droplet distribution, swirl, spray cone angle, and injection angle. The optimum conditions result in good spray penetration and vaporization and in good fuel mixing. The calculation presented clearly indicates that internal combustion engine models can be used to assess, at least qualitatively, the effects of injection characteristics and engine operating conditions on the flow field and on the spray penetration and vaporization in diesel engines. Nguyen, Hung Lee and Carpenter, Mark H. and Ramos, Juan I. and Schock, Harold J. and Stegeman, James D. Glenn Research Center; Langley Research Center...

Modeling the Use of Air-injection for Emissions Reduction in a Direct-injected Diesel Engine

Author : Daniel K. Mather
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Modeling the Use of Air-injection for Emissions Reduction in a Direct-injected Diesel Engine by : Daniel K. Mather

Download or read book Modeling the Use of Air-injection for Emissions Reduction in a Direct-injected Diesel Engine written by Daniel K. Mather and published by . This book was released on 1995 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Intake Flow on Mixing and Combustion in Direct Injection Diesel Engines Using Multidimensional Modeling

Author : Philip William Stephenson
Publisher :
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Effects of Intake Flow on Mixing and Combustion in Direct Injection Diesel Engines Using Multidimensional Modeling by : Philip William Stephenson

Download or read book Effects of Intake Flow on Mixing and Combustion in Direct Injection Diesel Engines Using Multidimensional Modeling written by Philip William Stephenson and published by . This book was released on 1995 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Three-dimensional Calculations of Air Motion, Sprays, and Combustion in a Quiescent Direct-injection Diesel Engine

Author : T. L. McKinley
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis Three-dimensional Calculations of Air Motion, Sprays, and Combustion in a Quiescent Direct-injection Diesel Engine by : T. L. McKinley

Download or read book Three-dimensional Calculations of Air Motion, Sprays, and Combustion in a Quiescent Direct-injection Diesel Engine written by T. L. McKinley and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

STOCHASTIC COMBUSTION MODELLING OF A DIRECT INJECTION DIESEL ENGINE.

Author : ALIREZA MOHAMMADZADEH
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (682 download)

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Book Synopsis STOCHASTIC COMBUSTION MODELLING OF A DIRECT INJECTION DIESEL ENGINE. by : ALIREZA MOHAMMADZADEH

Download or read book STOCHASTIC COMBUSTION MODELLING OF A DIRECT INJECTION DIESEL ENGINE. written by ALIREZA MOHAMMADZADEH and published by . This book was released on 1984 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: A mathematical model is developed to simulate the combustion process of a direct injection diesel engine. The model considers the key features of such a combustion process; namely fuel droplet evaporation, spray formation, mixing, ignition of heterogeneous burning of the fuel.